摘要： Analog-digital circuit 1. Insure C36 and C33 placed next to each other to avoid open stubs 2. Keep UART lines away from 26 MHz traces 3. Keep 26 MHZ t 阅读全文

摘要： Violin prodigies (神童), I learned , have come in distinct waves from distinct regions . Most of the greatperformers in the late 19th and early 20th cen 阅读全文

摘要： Progress in fighting Democratic Republic of the Congo's Ebola outbreak, the second worst ever, will be reversed if fighting continues around the disea 阅读全文